Potassium channel opener
A potassium channel opener is a type of drug which facilitates ion transmission through potassium channels.
Examples
Some examples include:- Diazoxide vasodilator used for hypertension, smooth muscle relaxing activity
- Minoxidil vasodilator used for hypertension, also used to treat hair loss
- Nicorandil vasodilator used to treat angina
- Pinacidil
- Retigabine, an anticonvulsant
- Flupirtine, analgesic with muscle relaxant and anticonvulsant properties
| Class | Subclasses | Activators |
| Calcium-activated 6T & 1P | ||
| Inwardly rectifying 2T & 1P | ||
| Inwardly rectifying 2T & 1P | ||
| Inwardly rectifying 2T & 1P | ||
| Tandem pore domain 4T & 2P | ||
| Voltage-gated 6T & 1P | KCNQ (Kv7)-specific: |